Jason Hall (“Paranoia”) penned the script, adapted from the book “American Sniper: The Autobiography of the Most Lethal Sniper in US Military History” by Chris Kyle, Scott McEwan and Jim DeFelice.

Eastwood, whose last big-screen helming venture was 2011’s “J. Edgar,” is currently in pre-production on musical “Jersey Boys.” He will begin “American Sniper” once filming for the former has completed.